Fix home-manager impurity and add brew configuration

modules/overlays/lastpass/default.nix

@@ -0,0 +1,46 @@
+{ stdenv
+, lib
+, fetchFromGitHub
+, asciidoc
+, cmake
+, docbook_xsl
+, pkgconfig
+, bash-completion
+, curl
+, openssl
+, libxml2
+, libxslt
+}:
+
+stdenv.mkDerivation rec {
+  pname = "lpass";
+  version = "1.3.4-unreleased";
+
+  src = fetchFromGitHub {
+    owner = "lastpass";
+    repo = "lastpass-cli";
+    rev = "8767b5e53192ad4e72d1352db4aa9218e928cbe1";
+    sha256 = "sha256:1d4m5h9byq5cccdg98m8d8457rbvp28q821d8rpglykgrfgnknwp";
+  };
+
+  nativeBuildInputs = [ asciidoc cmake docbook_xsl pkgconfig ];
+
+  buildInputs = [ bash-completion curl openssl libxml2 libxslt ];
+
+  enableParallelBuilding = true;
+
+  installTargets = [ "install" "install-doc" ];
+
+  postInstall = ''
+    install -Dm644 -T ../contrib/lpass_zsh_completion $out/share/zsh/site-functions/_lpass
+    install -Dm644 -T ../contrib/completions-lpass.fish $out/share/fish/vendor_completions.d/lpass.fish
+  '';
+
+  meta = with lib; {
+    description =
+      "Stores, retrieves, generates, and synchronizes passwords securely";
+    homepage = "https://github.com/lastpass/lastpass-cli";
+    license = licenses.gpl2Plus;
+    platforms = platforms.unix;
+  };
+}